CVE-2026-80553 — s390/vfio_ccw: Cancel existing workqueues
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Cancel existing workqueues The initialization of the io_work and crw_work workqueues begs th…
Published: 2026-08-26 · CVSS: 8.8 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Cancel existing workqueues The initialization of the io_work and crw_work workqueues begs the question of whether they should be un-initialized. Add the corresponding cleanup tags in _release_dev to ensure work isn't dispatched after the private struct is free'd.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7